With rumors going around [today of a 13″ MacBook Pro — retina — circling](http://www.appleinsider.com/articles/12/07/10/purported_13_retina_macbook_pro_benchmarks_appear_launch_rumored_before_oct.html) I thought about why Apple keeps that stupid 13″ MacBook Pro around — I mean the 13″ Air is almost better in every way. Then it occurred to me: what if in Apple’s eyes a retina screen is really just a “pro” feature for now?

The rumor is that the iPhone 3GS will live another year — and the 3GS is the entry level iPhone. The entry level iPad is the iPad 2 — again, non-retina. The entry level laptop is the 11″ Air — non-retina.

The 15″ MacBook Pro is the workhorse laptop for Pro Mac users, it is *the* machine and likely that is the reason it got the retina display first among Macs. The 13″ MacBook Pro is the entry level pro Mac laptop — just as the iPhone 4 (with its retina screen) is the entry level “pro” iPhone.

So what if then, Apple sees retina screens as “pro only” while they wait for economies of scale to bring the price of the screens down?

Well, that would mean that the MacBook Airs won’t be getting a retina screen any time soon — which is really too bad.